<template>
  <el-carousel height="720px" :interval="3000" arrow="always">
    <el-carousel-item :key="key" v-for="banner,key in banner_list">
      <a :href="banner.link"><img :src="banner.image_url"></a>
    </el-carousel-item>
  </el-carousel>
</template>

<script>
  export default {
    name: "Banner",
    data() {
      return {
        banner_list: []
      }
    },
    created() {
      this.get_banner_list();
    },
    methods: {
      get_banner_list() {
        // 获取轮播广告列表  成功执行then 失败执行 catch
        this.$axios.get(`${this.$settings.HOST}/banner/`, {}).then(response => {
          this.banner_list = response.data;
        }).catch(error => {
          console.log(error.response)
        });
      }
    }
  }
</script>

<style scoped>
  .el-carousel__item h3 {
    color: #475669;
    font-size: 18px;
    opacity: 0.75;
    line-height: 300px;
    margin: 0;
  }

  .el-carousel__item:nth-child(2n) {
    background-color: #99a9bf;
  }

  .el-carousel__item:nth-child(2n+1) {
    background-color: #d3dce6;
  }
</style>

